Driving a crane to become an immortal
As an idiom, Pinyin is a euphemism for death.
source
Source: Yang Daqun "Guandong legend" Chapter 54: "Dad, you become an immortal, hehe." His father has become an immortal.
Discrimination of words
Usage: as predicate; euphemism for death
Driving a crane to become an immortal
the widower , the widow , the orphan and the childless - guān guǎ gū dú
the well-known scholar has many distinguished students - hé fén mén xià